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Shimano GRX RD-RX812 1x11S 2020

Brand: Shimano

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$ 126.74

Discount: 22.06% List price: $ 162.62

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GRX RD-RX812 is the Shimano specific gravel, touring and cyclocross  derailleur

The Japanese manufacturer never stops surprising us with its innovations. This time Shimano dedicated a special attention to the development of a completely innovative groupset: the GRX RD for those who appreciate versatility and don't stop at obstacles.
Thanks to the increasing popularity of disciplines such as gravel, cyclocross and touring, Shimano decided to invest all its knowledge and enthusiasm in something completely new. Keeping the gearbox extremely precise and the chain in place on any terrain was a kind of challenge, but it was solved thanks to a series of features from both MTB and Road models. Thus, the built-in stabilizer (clutch) reliably prevents the chain from hitting the derailleur and chainstay remaining firmly in place. When passing on the road surface, where chain control is not vital, the clutch can be deactivated by simply moving the dedicated lever. The rear derailleur has its own adjustment screw, on which the cable tension can be adjusted, and pulleys with sealed, extremely efficient bearings. In the 1x11 configuration it will be an excellent choice for the most interesting challenges.


Features

  • Clutch: stabilises the rear derailleur and keeps the chain in place.
  • Profile: Shimano Shadow RD.
  • Compatible with the current Dual Control Lever for road use.
  • Bottom sprocket: Max. 42D/Min. 40D.
  • Upper sprocket: Max. 11D/Min. 11D.
  • Chain compatibility: HG-EV / HG-X11 11V.
  • Pulleys: 11D.


Technology

Shimano Shadow RD

The rear derailleur Shimano Shadow RD mechanism is intended for more aggressive riding. Its super low profile design carries many benefits. Because of its low profile and single tension construction, the derailleur does not hit the chain stay in rough riding conditions. The result is smooth and silent performance.

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